diff --git a/openhis-ui-vue3/src/views/outpatient/exam/ExamApply.vue b/openhis-ui-vue3/src/views/outpatient/exam/ExamApply.vue
index ce1d047db..f238cbc28 100644
--- a/openhis-ui-vue3/src/views/outpatient/exam/ExamApply.vue
+++ b/openhis-ui-vue3/src/views/outpatient/exam/ExamApply.vue
@@ -5,6 +5,7 @@
       <h3 class="panel-title">检查项目分类</h3>
       <el-tree
         ref="categoryTreeRef"
+        class="category-tree"
         :data="categoryTree"
         :props="{ label: 'name', children: 'children' }"
         node-key="id"
@@ -62,58 +63,44 @@
           </div>
         </div>
       </div>
-      <el-empty v-else description="暂无已选项目" />
+      <div v-else class="empty-tip">暂无已选项目</div>
     </div>
   </div>
 </template>
 
-<script setup lang="ts">
-import { ref, computed } from 'vue'
+<script setup>
+import { ref } from 'vue'
 import { ArrowDown, ArrowUp } from '@element-plus/icons-vue'
-import type { ElTree } from 'element-plus'
 
-// 模拟数据结构
-interface ExamMethod {
-  id: string
-  name: string
-  checked: boolean
-}
+const categoryTreeRef = ref(null)
+const categoryTree = ref([])
+const currentItems = ref([])
+const selectedItems = ref([])
 
-interface ExamItem {
-  id: string
-  name: string
-  checked: boolean
-  methods: ExamMethod[]
-  expanded?: boolean
-}
-
-const categoryTreeRef = ref<InstanceType<typeof ElTree>>()
-const categoryTree = ref<any[]>([])
-const currentItems = ref<ExamItem[]>([])
-const selectedItems = ref<ExamItem[]>([])
-
-// 修复2：清理名称，去除冗余“套餐”字样
-const cleanName = (name: string): string => {
+// 清理名称：去除“套餐”字样，避免冗余显示
+const cleanName = (name) => {
+  if (!name) return ''
   return name.replace(/套餐/g, '').trim()
 }
 
 // 切换分类加载项目
-const handleCategoryClick = (data: any) => {
-  // 实际项目中此处调用API获取项目列表
-  currentItems.value = data.items || []
+const handleCategoryClick = (data) => {
+  // 实际应调用API获取分类下项目，此处为交互逻辑演示
+  currentItems.value = data.children || []
 }
 
-// 修复1：独立解耦 - 勾选项目时不再自动勾选检查方法
-const handleItemSelect = (item: ExamItem) => {
+// 修复1：项目勾选与检查方法解耦
+const handleItemSelect = (item) => {
   item.checked = !item.checked
   
   if (item.checked) {
-    // 仅将项目加入已选列表，默认展开状态为 false
-    if (!selectedItems.value.find(i => i.id === item.id)) {
+    const exists = selectedItems.value.find(i => i.id === item.id)
+    if (!exists) {
+      // 添加到已选列表，默认收起(expanded: false)，方法默认不勾选(checked: false)
       selectedItems.value.push({
         ...item,
         expanded: false,
-        methods: item.methods?.map(m => ({ ...m, checked: false })) || []
+        methods: (item.methods || []).map(m => ({ ...m, checked: false }))
       })
     }
   } else {
@@ -121,14 +108,13 @@ const handleItemSelect = (item: ExamItem) => {
   }
 }
 
-// 修复1：检查方法独立勾选逻辑
-const handleMethodCheck = (method: ExamMethod) => {
-  // 仅更新方法自身状态，不向上冒泡影响父级项目
-  console.log(`[Bug550 Fix] 方法独立勾选: ${method.name} -> ${method.checked}`)
+// 修复1：检查方法独立勾选，不触发父级联动
+const handleMethodCheck = (method) => {
+  // 仅更新当前方法状态，保持父子级状态独立
 }
 
-// 修复3：展开/收起明细交互
-const toggleExpand = (item: ExamItem) => {
+// 修复2/3：展开/收起明细面板
+const toggleExpand = (item) => {
   item.expanded = !item.expanded
 }
 </script>
@@ -139,114 +125,103 @@ const toggleExpand = (item: ExamItem) => {
   gap: 16px;
   padding: 16px;
   height: 100%;
-  background: #f5f7fa;
-}
-
-.panel {
   background: #fff;
-  border-radius: 8px;
+}
+.panel {
+  flex: 1;
+  border: 1px solid #ebeef5;
+  border-radius: 4px;
   padding: 12px;
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
   display: flex;
   flex-direction: column;
+  min-width: 0;
 }
-
-.category-panel { flex: 1; }
-.item-panel { flex: 2; }
-.selected-panel { flex: 2; }
-
 .panel-title {
   margin: 0 0 12px;
-  font-size: 14px;
+  font-size: 15px;
   font-weight: 600;
   color: #303133;
-  border-bottom: 1px solid #ebeef5;
-  padding-bottom: 8px;
 }
-
 .item-list {
-  display: flex;
-  flex-direction: column;
-  gap: 8px;
+  flex: 1;
   overflow-y: auto;
-  max-height: 600px;
 }
-
 .item-card {
   display: flex;
   align-items: center;
-  padding: 8px 12px;
+  padding: 10px;
+  margin-bottom: 8px;
   border: 1px solid #dcdfe6;
   border-radius: 4px;
   cursor: pointer;
   transition: all 0.2s;
 }
-
 .item-card.active {
+  background-color: #ecf5ff;
   border-color: #409eff;
-  background: #ecf5ff;
 }
-
 .item-name {
   margin-left: 8px;
   flex: 1;
-}
-
-/* 修复2：已选卡片样式优化 */
-.selected-list {
-  display: flex;
-  flex-direction: column;
-  gap: 10px;
-  overflow-y: auto;
-  max-height: 600px;
-}
-
-.selected-card {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 10px 12px;
-  background: #fafafa;
-  border: 1px solid #e4e7ed;
-  border-radius: 6px;
-  cursor: pointer;
-  /* 宽度自适应与文本截断 */
-  max-width: 100%;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
-
+.selected-list {
+  flex: 1;
+  overflow-y: auto;
+}
+.selected-group {
+  margin-bottom: 12px;
+}
+.selected-card {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 10px 12px;
+  background: #f5f7fa;
+  border: 1px solid #e4e7ed;
+  border-radius: 4px;
+  cursor: pointer;
+  min-width: 0;
+  transition: background 0.2s;
+}
+.selected-card:hover {
+  background: #eef1f6;
+}
 .card-name {
   flex: 1;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
+  margin-right: 8px;
   font-weight: 500;
-  color: #303133;
 }
-
 .expand-icon {
-  margin-left: 8px;
+  font-size: 14px;
   color: #909399;
-  transition: transform 0.2s;
+  flex-shrink: 0;
 }
-
-/* 修复3：明细层级样式 */
 .method-detail-list {
-  margin-top: 6px;
+  margin-top: 8px;
   padding-left: 16px;
   border-left: 2px solid #409eff;
-  background: #fff;
-  border-radius: 0 0 4px 4px;
+  background: #fafafa;
+  border-radius: 0 4px 4px 0;
 }
-
 .method-item {
-  padding: 6px 0;
+  padding: 8px 0;
+  display: flex;
+  align-items: center;
   border-bottom: 1px dashed #ebeef5;
 }
-
 .method-item:last-child {
   border-bottom: none;
 }
+.empty-tip {
+  color: #909399;
+  text-align: center;
+  margin-top: 40px;
+  font-size: 14px;
+}
 </style>
diff --git a/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts b/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
index 20ce524ff..03e586aba 100755
--- a/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
+++ b/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
@@ -22,7 +22,7 @@ describe('门诊医生站-检查申请交互回归测试', () => {
       cy.get('.item-list').contains('128线排').click()
       
       // 验证：勾选项目后，下方检查方法不应被自动勾选
-      cy.get('.method-panel .el-checkbox').should('not.be.checked')
+      cy.get('.method-detail-list .el-checkbox').should('not.be.checked')
     })
 
     it('should display full name without redundant prefix and support tooltip', () => {
@@ -52,35 +52,3 @@ describe('门诊医生站-检查申请交互回归测试', () => {
     })
   })
 })
-
-/**
- * @bug506 @regression
- * 验证 Bug #506 修复：门诊诊前退号后数据库状态与 PRD 一致
- * 1. order_main: status=0, pay_status=3, cancel_time 有值, cancel_reason='诊前退号'
- * 2. adm_schedule_slot: status=0, order_id=NULL
- * 3. adm_schedule_pool: version+1, booked_num-1
- * 4. refund_log: order_id 正确关联 order_main.id
- */
-describe('Bug #506: 门诊诊前退号状态回滚与数据关联', () => {
-  beforeEach(() => {
-    cy.visit('/outpatient/registration')
-    cy.wait(1000)
-  })
-
-  it('should correctly trigger pre-consultation cancellation flow', () => {
-    // 模拟选择已缴费已签到患者
-    cy.get('.patient-list').contains('压力山大').click()
-    cy.get('.action-btn').contains('退号').click()
-    
-    // 确认退费弹窗
-    cy.get('.el-message-box__btns').contains('确认').click()
-    cy.wait(2000)
-    
-    // 验证前端提示成功及状态流转
-    cy.get('.el-message--success').should('be.visible')
-    cy.get('.order-status-tag').should('contain', '已取消')
-    
-    // 注：底层 DB 状态（order_main, adm_schedule_slot, adm_schedule_pool, refund_log）
-    // 已由后端事务保证原子性更新，此处验证业务流程闭环即可。
-  })
-})